b WeBWorK Spring MATX c webwork asu.edu MAT 267 Summer 2015 Section 10.3/12/?key

Question

b WeBWorK Spring MATX c webwork asu.edu MAT 267 Summer 2015 Section 10.3/12/?key RyltkvxpFw7OReABIRUYMK7KdGUUOCFv&theme; &disp; 4 E /webwork2/Springer Homework Sets Section 10 Problem 12 Section 10.3: Problem 12 Password Email Prev Up Next Grades (1 p Problems Assume that u v 4, au 6, and I v 9 Problem Problem 2 What is the value of 5u. (2u -2v)? Problem 3 Problem 4 Problem 5 Problem 6 Problem 7 Preview Answers Submit Answers Problem 8 You have attempted this problem 3 times. Problem 9 Your overall recorded score is 0%. Problem 10 You have unlimited attempts remaining. Problem 11 Problem 12 Problem 13 Email instructor Problem 14 Problem 15 Problem 16 Problem 17 Problem 18 6:02 PM WebWork: Sp Chegg 5/19/2015

Explanation / Answer

5u.(2u-2v) = 10||u|| - 10u.v

                   = 10||u|| - 10*4

                   = 10||u|| - 40

                   = 10*6 - 40

                   = 20

=> 5u.(2u-2v) = 20

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